Flowserve U-MAG INNOMAG - Manual (Page 6)

U-MAG ENGLISH 26999990 10-14
Page 6 of 40
HANDLING COMPONENTS
Many precision parts have sharp corners and the
wearing of appropriate safety gloves and equipment
is required when handling these components. To lift
heavy pieces above 25 kg (55 lb.) use a crane
appropriate for the mass and in accordance with
current local regulations.
Personal Protection Equipment suitable for
the conditions and environment must be worn at all
times.
THERMAL SHOCK
Rapid changes in the temperature of the liquid within
the pump can cause thermal shock, which can result
in damage or breakage of components and should be
avoided.
HOT (and cold) PARTS
If hot or freezing components or auxiliary heating
supplies can present a danger to operators and
persons entering the immediate area action must be
taken to avoid accidental contact. If complete
protection is not possible, the machine access must
be limited to maintenance staff only, with clear visual
warnings and indicators to those entering the
immediate area.
If the temperature is greater than 80 ºC (175 ºF) or
below -5 ºC (23 ºF) in a restricted zone, or exceeds
local regulations, action as above shall be taken.
HAZARDOUS LIQUIDS
When the pump is handling hazardous liquids care
must be taken to avoid exposure to the liquid by
appropriate siting of the pump, limiting personnel
access and by operator training. If the liquid is
flammable and or explosive, strict safety procedures
must be applied.
PREVENT EXCESSIVE EXTERNAL
PIPE LOAD. Do not use pump as a support for piping.
Do not mount expansion joints, unless allowed by
Flowserve in writing, so that their force, due to internal
pressure, acts on the pump flange.
Never loosen flange connection while system is
under pressure.
Always make certain pressure gages,
indicating lights and safety devices are working.
ALWAYS know the EMERGENCY STOP location
for the pump.
NEVER RUN THE PUMP DRY. Use
diamond-like-coated (DLC) parts for additional
protection from dry running. DLC does not guarantee
dry run protection.
Never start this pump without proper prime
(casing must be full of liquid).
START THE PUMP WITH THE
DISCHARGE VALVE PARTLY OPENED (Unless
otherwise instructed at a specific point in the User
Instructions.) This is recommended to minimize the risk
of overloading and damaging the pump or motor at full
or zero flow. Pumps may be started with the valve
further open only on installations where this situation
cannot occur. The pump outlet control valve may need
to be adjusted to comply with the duty following the run-
up process. (See section 5, Commissioning start-up,
operation and shutdown.)
SUCTION VALVES TO BE FULLY OPEN WHEN
PUMP IS RUNNING
Running the pump at zero flow or below the
recommended minimum flow continuously will cause
damage to the pump. Never operate this pump with the
suction and / or discharge valve closed as this may lead
to high surface temperatures.
The direction of rotation is clockwise
when viewed from the motor end. Rotation of the motor
must be checked prior to starting the pump according to
section 5.1.
DO NOT RUN THE PUMP AT
ABNORMALLY HIGH OR LOW FLOW RATES
Operating at a flow rate higher than normal or at a flow
rate with no back pressure on the pump may overload
the motor and cause cavitation. Low flow rates may
cause a reduction in pump/bearing life, overheating of
the pump, instability and cavitation/vibration.
NEVER EXCEED THE MAXIMUM
DESIGN PRESSURE (MDP) AT THE TEMPERATURE
SHOWN ON THE PUMP NAMEPLATE AND
INCLUDED IN SECTION 3.5.2.
Driver may overload and de-couple if
pumpage specific gravity is greater than originally
assumed. Prolonged running while de-coupled will
damage driver and impeller magnets.
Decoupling the pump may lead to increased
surface temperatures.